• 1 inch 116.2mm2
  • 20.1 megapixels
  • 24.00mm - 600.00mm (35mm eq.)
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

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Differences

Sony RX10 IV advantages over Sony A6100

  • Slower slow-motion
    1000 fps vs 120 fps
    Supports slower slow-mo
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    480k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    23.8 fps vs 11.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    217 vs 76 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    24.2 fps vs 11.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    112 vs 33 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light

Sony A6100 advantages over Sony RX10 IV

  • Less expensive
    $848 vs $1698*
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Longer video battery life
    125 vs 75 minutes
    Capture more video
  • Thinner
    59 mm vs 127 mm
    Thinner
  • Newer
    5 years vs 7 years old
    Newer cameras often support more advanced features
  • More pixels
    24.2 vs 20.1 megapixels
    Higher resolution photos
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Buy the Sony A6100

Review Excerpt

The Competition

Compared to Sony RX10 III

Sony RX10 IV
Sony RX10 III
  • $1698
  • 1 inch
  • Touchscreen
  • Built-in Bluetooth
  • $1398
  • 1 inch
  • Less expensive
Sony A6100
Sony RX10 III
  • $748
  • APS-C
  • Less expensive
  • Larger sensor
  • $1398
  • 1 inch
  • Slower slow-motion
  • In-Camera Image Stabilization

Compared to Panasonic FZ2500

Sony RX10 IV
Panasonic FZ2500
  • $1698
  • 1 inch
  • Slower slow-motion
  • Larger lens aperture
  • $948
  • 1 inch
  • Less expensive
  • Tilt-swivel screen
Sony A6100
Panasonic FZ2500
  • $748
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $948
  • 1 inch
  • Tilt-swivel screen
  • In-Camera Image Stabilization

Compared to Fujifilm X-T100

Sony RX10 IV
Fujifilm X-T100
  • $1698
  • 1 inch
  • Slower slow-motion
  • In-Camera Image Stabilization
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sony A6100
Fujifilm X-T100
  • $748
  • APS-C
  • Slower slow-motion
  • NFC
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony A6400

Sony RX10 IV
Sony A6400
  • $1698
  • 1 inch
  • Slower slow-motion
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Less expensive
  • Larger sensor
Sony A6100
Sony A6400
  • $748
  • APS-C
  • Less expensive
  • $898
  • APS-C
  • Higher extended ISO

Compared to Panasonic FZ1000 II

Sony RX10 IV
Panasonic FZ1000 II
  • $1698
  • 1 inch
  • Slower slow-motion
  • Larger lens aperture
  • $865
  • 1 inch
  • Less expensive
  • Tilt-swivel screen
Sony A6100
Panasonic FZ1000 II
  • $748
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $865
  • 1 inch
  • Tilt-swivel screen
  • In-Camera Image Stabilization
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